{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372114",
    "entityType": "User",
    "nonce": "0xfcaf67c53819e26f7506897665af7cf03713ba0a680842075012b1440ebd399e",
    "signature": "0xa564babd478846e3175aed446c656d0f97ed9d0c4189257fb7c81eb64252b3cd116f1bad4014ca593fcc170f9b6bbdf30b80327462bdffc215dc471d46fc21f81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}